공부방

    private void ReceiveData()
    {
        byte[] buffer = new byte[1024];
        while (isRunning)
        {
            int bytesRead = this.socketClient.GetStream().Read(buffer, 0, buffer.Length);
            if (bytesRead > 0)
            {
                byte[] receivedData = new byte[bytesRead];
                Array.Copy(buffer, receivedData, bytesRead);
                Debug.Log("Received Binary Data: " + BitConverter.ToString(receivedData));

                // 바이너리 데이터를 문자열로 변환하여 확인 (주의: 한글 문자열이 깨져있을 수 있음)
                string decodedString = Encoding.GetEncoding(949).GetString(receivedData);

                print(decodedString);
                ProcessReceivedMessage(decodedString);
            }
        }
    }

바이너리 값으로 받아서 949 or UTF-8 방식으로 직접 변환

https://diggingfun.tistory.com/233

sudo nano /etc/xdg/lxsession/LXDE-pi/autostart
최 하단, @lxterminal -e python /home/pi/path/AAA.py

sudo apt autoremove python

sudo apt install python2.7

alias python=python2.7

wget https://bootstrap.pypa.io/pip/2.7/get-pip.py 

sudo python2.7 get-pip.py

이런거 하지말고 그냥 구버전 받기
20200205버전 받기 얌전히

경로 문제

pip install XXX
라고 쓰지말고

python -m pip install XXX

https://www.acmicpc.net/problem/10430

using System;
using System.Threading;
using System.Collections.Generic;

namespace NetHappy
{
    class Program
    {
        static void Main(string[] args)
        {
            string str;
            str = Console.ReadLine();
            string[] result = str.Split(new char[] { ' ' });
            double a = (double)Convert.ToInt32(result[0]);
            double b = (double)Convert.ToInt32(result[1]);
            double c = (double)Convert.ToInt32(result[2]);

            Console.WriteLine((a + b) % c);
            Console.WriteLine(((a % c) + (b % c)) % c);
            Console.WriteLine((a * b) % c);
            Console.WriteLine(((a % c) * (b % c)) % c);
        }
    }
}

using System;
using System.Threading;
using System.Collections.Generic;

namespace NetHappy
{
    class Program
    {
        static Dictionary<byte, int> dicCmdDatalength = new Dictionary<byte, int>();
        static void Main(string[] args)
        {
            dicCmdDatalength.Add(0xf4, 16);
            int[] wheelSpeed = { -1, -1, 1000, 1000 };
            byte[] value = InputData(wheelSpeed, 0xf4);

            string strValue = BitConverter.ToString(value);
            Console.WriteLine(strValue);
        }

        static byte[] InputData(int[] data, byte cmd)
        {
            int length = dicCmdDatalength[cmd];
            byte[] result = new byte[length + 5];//+ 5 = STX, STX, CMD, DataLength, ETX
            byte[] value= new byte[4];
            result[0] = 0x55;
            result[1] = 0x55;
            result[2] = cmd;
            result[3] = Convert.ToByte(length);

            int k = 4;
            for(int i = 0; i < 4; i++)
            {
                value = BitConverter.GetBytes(data[i]);
                for(int j = 0; j < 4; j++)
                {
                    result[k] = value[j];
                    k++;
                }
            }
            result[result.Length - 1] = 0xAA;

            return result;
        }
    }
}